Category: 20 Saudi Riyals. * Edition: The fifth edition of the Saudi currency. * Occasion: Special edition to commemorate 100 years since the founding of the Kingdom by King Abdulaziz (1319 AH – 1419 AH). * Release Date: 1421 AH (2000 AD). * Front Side: Picture of King Abdulaziz with Quba Mosque. * Back Side: Emblem of the Kingdom's centenary and a picture of Mount Hira in Mecca Al-Mukarramah.